<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Check whether error handling with exceptions is in use</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="class.rarexception.html">« RarException</a></li>
      <li style="float: right;"><a href="rarexception.setusingexceptions.html">RarException::setUsingExceptions »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="class.rarexception.html">RarException</a></li>
    <li>Check whether error handling with exceptions is in use</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="rarexception.isusingexceptions" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">RarException::isUsingExceptions</h1>
  <p class="verinfo">(PECL rar &gt;= 2.0.0)</p><p class="refpurpose"><span class="refname">RarException::isUsingExceptions</span> &mdash; <span class="dc-title">Check whether error handling with exceptions is in use</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-rarexception.isusingexceptions-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>RarException::isUsingExceptions</strong></span>(): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   Checks whether the RAR functions will emit warnings and return error values or whether they
   will throw exceptions in most of the circumstances (does not include some programmatic
   errors such as passing the wrong type of arguments).
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-rarexception.isusingexceptions-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-rarexception.isusingexceptions-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>true</code></strong> if exceptions are being used, <strong><code>false</code></strong> otherwise.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-rarexception.isusingexceptions-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-824">
    <p><strong>示例 #1 <span class="function"><strong>RarException::isUsingExceptions()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">//The&nbsp;default&nbsp;is&nbsp;not&nbsp;to&nbsp;use&nbsp;exceptions<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">RarException</span><span style="color: #007700">::</span><span style="color: #0000BB">isUsingExceptions</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
bool(false)
</pre></div>
    </div>
   </div>
  </p>
 </div>



 <div class="refsect1 seealso" id="refsect1-rarexception.isusingexceptions-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="rarexception.setusingexceptions.html" class="methodname" rel="rdfs-seeAlso">RarException::setUsingExceptions()</a> - Activate and deactivate error handling with exceptions</span></li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>